H-R Diagram

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Across
  1. 4. , Brightness
  2. 6. , Generally Middle Aged Stars
  3. 7. Diagram , Classifies stars
  4. 8. , Below Super Giants
  5. 10. , point in life/ stars age
Down
  1. 1. , determined by Temperature and size
  2. 2. , Are Generally Hot and Dim
  3. 3. , Older and are generally Bright and Cool
  4. 5. , Hot and/or Cool
  5. 9. , A cluster of stars